Tuesday
July 29, 2014

Homework Help: Pre-Algebra

Posted by Janessa on Wednesday, March 20, 2013 at 2:14pm.

1. What data are represented by the stem-and-leaf plot below?


3 | 7 8 9
4 | 1 3 7
5 | 2 4

Key: 4 | 1 means 41




a. 37, 38, 39, 41, 43, 47, 52, 54
b. 73, 83, 93, 14, 34, 74, 25, 45
c. 7, 8, 9, 1, 3, 7, 2, 4
d. 37, 38, 39, 14, 34, 74, 25, 45




2. Find the mode and the median of the data in the stem-and-leaf plot below.


5 | 4 4 8
6 | 0 3 5
7 | 3 4 6
8 | 2 5
9 | 7 8

Key: 6 | 3 means 63



a. no mode; 73
b. 63; 73.5
c. 54; 73
d. no mode; 73.5


3. The stem-and-leaf plot shows the number of fish that were caught by several ships in a fishing fleet. How many ships caught 50 fish or fewer?


Stem Leaves
__________________________________
3 0 3 3 5 6
4 0 2 4 5 8 9 9
5 0 1 2 4


key: 2 | 4 means 24


a. 12
b. 16
c. 14
d. 13


My Answer:

1 c
2 d
3 a

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